Quarta-Rad, Inc.
Quarta-Rad, Inc. is a U.S.-based company that distributes radiation detection devices such as Geiger counters to homeowners, consumers, and related resellers. Through its wholly owned subsidiary Sellavir, Inc., it also develops AI-based software and consulting services, including the CenterEye call center platform and image-processing solutions.
Fiscal year 2025 · change from previous year
Development 2020–2025
Business
Share of revenueHandheld and consumer-oriented detection products, including Geiger counters and related devices.
Sales of imported devices through online retail, wholesalers, distributors, and resellers.
Customized AI and development services built around customer-specific needs and image processing.
Subscription-based software for call center operations, analytics, and customer engagement.
Products
Reported · share of revenue- Sellavir Inc95.9 %
- Quarta Rad Inc4.1 %
Source: 10-K FY2025, revenue the company reports per product line (SEC XBRL). Shares are of the lines shown and add up to 100 %.
Customers
Quarta-Rad sells detection devices to homeowners, consumers, homebuilders, and home renovation contractors, with additional sales through online retailers, wholesalers, and distributors. Sellavir serves Japanese reseller channels and organizations seeking custom AI services or call center software. The customer base is split between consumer-oriented hardware buyers and business customers looking for specialized software or consulting.
Buy Geiger counters and related detection devices for personal or household use.
Buy detection devices for site inspection, safety checks, and project-related use.
Purchase inventory for resale through e-commerce, wholesalers, and distributors.
Acts as the main commercial channel for Sellavir's AI and software offerings in Japan.
Buy custom AI services and CenterEye to improve call center operations and analytics.
Strategy
Quarta-Rad is trying to broaden its business beyond radiation measurement by building AI-based software capabilities through Sellavir. The company is also developing CenterEye as a subscription product for call center operations, while continuing to support its existing device distribution business. This mix reflects a strategy to add software revenue, deepen product functionality, and reduce dependence on a narrow hardware line.
Software can diversify the business away from imported hardware and create recurring revenue potential.
Combining Sellavir with the Radex series may create differentiated radiation detection capabilities.
Broader geographic reach reduces reliance on a limited set of channels and customers.
Geography
The company is incorporated in the United States and operates with a U.S. base, while its product distribution reaches North America and Europe. Sellavir has disclosed traction in Japan and is expanding marketing efforts into the U.S. and other international markets. The business also depends on cross-border sourcing and logistics, which makes geography important both for sales access and supply continuity.
Risks
The company faces supply-chain and geopolitical risk because it relies on imported inventory and has disclosed disruption from sanctions and EU restrictions tied to Russia-Ukraine developments. It also faces execution risk in software, since CenterEye and other AI offerings must gain market acceptance, remain secure, and keep pace with changing technology. As a smaller company with limited revenue, customer concentration and going-concern pressure are also material business risks.
- Going-concern and funding dependenceImpact: CriticalLikelihood: High
Recurring losses and limited revenues can constrain operations and investment capacity.
Exposure: Company-wide
- CenterEye market acceptanceImpact: HighLikelihood: High
Software revenue depends on customer adoption of a new AI call center product.
Exposure: Sellavir software
- Russia-Ukraine sanctions and banking restrictionsImpact: HighLikelihood: Medium
The company disclosed that inventory purchases from Russia were impacted by sanctions and restrictions.
Exposure: Inventory sourcing and logistics
- EU sales restrictionsImpact: HighLikelihood: Low
The company stated that its ability to continue selling in the EU was diminished.
Exposure: European sales
Accounting
Judgemental itemsRevenue is recognized when control transfers, so shipment timing affects quarterly results.
Impact: Device sales and reported revenue timing
Management estimates the value of related-party revenue and notes receivable, which can affect reported assets and income.
Impact: Balance sheet and earnings quality
The company records translation gains or losses on foreign-currency denominated balances.
Impact: Other income/expense and equity
Small companies with limited operations often rely on judgment for accruals and contingent items.
Impact: Operating expenses and liabilities
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Last updated: 24/09/2026